Ricoh D3GG, Field Service Manual

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1.Detailed Descriptions
3
Layout
General Layout
1. Feed unit
2. Trim positioning unit
3. Transport unit
4. Tray unit
5. Cutter unit
6. Scrap hopper
Paper is fed from the finisher or interposer tray and saddle stitched. The booklet exits the finisher from
its spine, and goes into the trimmer unit.
Feed Unit
The booklet enters the trimmer via the entrance guide plate, and is transported between the upper and
lower feed guides. The upper guide has a round cross-section belt, and the lower guide has a flat one.
In order to transport booklets of various thicknesses, the upper paper feed guide rotates around a
fulcrum on the entrance side, adjusting the gap between the upper and lower guides according to the
thickness of the booklet.
Trim Positioning Unit
The booklet is transported from the feed unit to the trim positioning unit. The trim positioning unit has a
transport mechanism with a flat belt similar to that of the lower feed guide of the feed unit. On the upper
side, it has an edge stopper that can be moved according to the booklet size and trimming width.
The spine of the booklet is pushed to the claws of the edge stopper (claw unit), at a position determined
using booklet size and trim position information from the imaging device. Then, a press mechanism